Light beam collimator
A collimator and beam technology, applied in optics, instruments, optical components, etc., can solve the problems that light cannot be coupled, the system size is large, and the use is affected, so as to improve the collection ability, reduce the divergence angle, and reduce the size of the system. Effects of Size and Complexity
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Embodiment 1
[0038] The round platform is composed of pure quartz, the surface is smooth, and the small circle radius a 1 =10mm, the inclination angle of the circular platform γ=13.3°, and the height of the circular platform h=16.6mm. The beam with inner divergence angle α=40° (divergence angle α′=68.8°) can be collimated into a collimated beam with inner exit angle β=13.3° (output angle β′=19.5°). great circle radius a 2 =13.9mm, that is, the spot area only increases by 93%.
Embodiment 2
[0040] The round platform is composed of pure quartz, the sides are coated with a thin layer of metallic silver, and the radius of the small circle is a1 =15mm, the inclination angle of the circular platform γ=9°, and the height of the circular platform h=21mm. The beam with inner divergence angle α=30° (divergence angle α′=46.5°) can be collimated into a collimated beam with inner output angle β=12° (output angle β′=17.6°). great circle radius a 2 =18.3mm, that is, the spot area only increases by 49%.
Embodiment 3
[0042] The circular platform is composed of polymer material, the surface is smooth, and the small circle radius a 1 =20mm, the inclination angle of the circular platform γ=10°, and the height of the circular platform h=30mm. The beam with inner divergence angle α=30° (divergence angle α′=48.2°) can be collimated into a collimated beam with inner output angle β=10° (output angle β′=15°). great circle radius a 2 =25.3mm, that is, the spot area is only increased by 60%.
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